This article is the practice and experience of Daqing oilfield Design institute held the post of "packaged institute" in constructing polymer engineering, oilfield chemical auxiliary agent plant.

本文介绍了大庆油田设计院在建设油田化学助剂厂聚合物工程中担任“总包院”设计的实践与体会，重点介绍了工程建设设计“总包院”技术管理的具体作法。

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The practice of controlling sinter chemical composition to increase Lead sinter quality conducted in Zhuzhou Smelter Group co. Ltd sintering plant was presented in this paper.

介绍了株洲冶炼集团公司优化控制烧结块化学成分，提高粗铅产量，获得良好综合回收效益的实践。

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The practice after the feeding pump of hard pitch controlled by belt changed into frequency control of speed in AISC Chemical General Plant is introduced.

介绍了鞍钢化工总厂硬质沥青加料泵皮带调速改为交流变频调速的实际应用过程。

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